1097149-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1097149-63-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,7,1,4 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1097149-63:
(9*1)+(8*0)+(7*9)+(6*7)+(5*1)+(4*4)+(3*9)+(2*6)+(1*3)=177
177 % 10 = 7
So 1097149-63-7 is a valid CAS Registry Number.